✈️ Flight Guide: Ontario (ONT) → Las Vegas (LAS)

Nonstop flights from Ontario International Airport (ONT) to Harry Reid International Airport (LAS) typically take about 1 hour and 10 minutes to 1 hour and 25 minutes. In September, favorable seasonal winds usually keep average flight times within that window; always check the airline schedule for live updates and plan for an extra 30–60 minutes for boarding and taxiing.

Options to reach Ontario International Airport (ONT) include rideshare (Uber/Lyft), airport shuttles, Metrolink trains to the nearby Ontario–Downtown station plus shuttle, and driving with long-term parking. In September, traffic can be lighter on midweek mornings but busier around Labor Day weekend, so leave extra time and book airport parking or shuttles in advance for the best fares.

Yes, several carriers operate nonstop flights between Ontario International Airport (ONT) and Harry Reid International Airport (LAS) year-round, including budget and legacy airlines. In September you’ll often find increased midweek frequencies and competitive fares—search and book early to lock in the best nonstop ONT to LAS flights.

Baggage allowances vary by airline, fare class, and whether you book basic economy. Expect carry-on allowances to be standard but check fees for checked bags on low-cost carriers; in September, many travelers pack light for Las Vegas city trips and poolside evenings. Confirm baggage size and fee details on your airline’s site before arriving at ONT to avoid surprises.

September at ONT is generally moderate—busiest around Labor Day weekend and university start dates in the Inland Empire. For domestic ONT to LAS flights, arrive at least 90 minutes before departure; for peak days or if checking bags, allow 2 hours. Use online check-in and mobile boarding passes to streamline airport processing.

Yes—September often brings off-peak discounts, especially midweek after Labor Day. Use fare-compare tools, sign up for airline alerts, and check budget carriers that serve ONT for promotional sales. Book early for holiday weekends and consider flexible dates to score cheap ONT to LAS flights.

The fastest options from Harry Reid International Airport (LAS) to the Las Vegas Strip are rideshare services (Uber/Lyft), airport taxis, and private shuttles, typically taking 10–20 minutes depending on traffic. In September, evenings may be busier due to events and conventions, so consider pre-booking a shuttle for group travel or using app-based rides for the best rates.

For domestic flights from ONT, baggage claim at Harry Reid International Airport (LAS) is straightforward—collect checked bags at the domestic carousel and follow signs to ground transportation. There is no customs/immigration for domestic U.S. flights. In September, baggage waits are usually normal, but allow 20–40 minutes after arrival during busy periods like Labor Day weekend.

Yes—major car rental companies operate on-site and via shuttle at Harry Reid International Airport (LAS), with counters and pickup areas clearly signed. September often brings slightly lower rates compared with summer peak, but prices can spike around large conventions or holiday weekends; book early for the best September rental deals.

Yes—Harry Reid International Airport (LAS) is a hub for flights and ground travel to nearby destinations such as Henderson, North Las Vegas, Boulder City, Los Angeles, Phoenix, and Salt Lake City. Many travelers use LAS as a gateway to Southern Nevada attractions (Hoover Dam, Lake Mead) and Southwest road trips. Check connecting flight schedules and regional bus services for onward travel.

September in Las Vegas is warm with daytime highs often in the 80s–90s°F (27–35°C); evenings cool down, making it pleasant for walking the Strip. For arrivals, stay hydrated and plan outdoor activities for early morning or evening. Hotel pool season extends into September, but some hotels reduce pool services after Labor Day.

Harry Reid International Airport (LAS) has several lounges, dining options, and shopping in both terminals; some lounges offer day passes that can be useful for travelers with long layovers. In September, many lounges are comfortable spots to plan your Las Vegas itinerary—check lounge access policies with your airline or credit card issuer.